19533670

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:229

約数の個数: 64

約数和(自身を含む): 40642560

約数和(自身を除く): 21108890

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 47, 65, 94, 115, 130, 139, 230, 235, 278, 299, 470, 598, 611, 695, 1081, 1222, 1390, 1495, 1807, 2162, 2990, 3055, 3197, 3614, 5405, 6110, 6394, 6533, 9035, 10810, 13066, 14053, 15985, 18070, 28106, 31970, 32665, 41561, 65330, 70265, 83122, 84929, 140530, 150259, 169858, 207805, 300518, 415610, 424645, 751295, 849290, 1502590, 1953367, 3906734, 9766835, 19533670]

約数ペア:

[(1, 19533670), (2, 9766835), (5, 3906734), (10, 1953367), (13, 1502590), (23, 849290), (26, 751295), (46, 424645), (47, 415610), (65, 300518), (94, 207805), (115, 169858), (130, 150259), (139, 140530), (230, 84929), (235, 83122), (278, 70265), (299, 65330), (470, 41561), (598, 32665), (611, 31970), (695, 28106), (1081, 18070), (1222, 15985), (1390, 14053), (1495, 13066), (1807, 10810), (2162, 9035), (2990, 6533), (3055, 6394), (3197, 6110), (3614, 5405)]